1/* GDK - The GIMP Drawing Kit
2 *
3 * gdkglcontext-wayland.c: Wayland specific OpenGL wrappers
4 *
5 * Copyright © 2014 Emmanuele Bassi
6 * Copyright © 2014 Alexander Larsson
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
20 */
21
22#include "config.h"
23
24#include "gdkglcontext-wayland.h"
25
26#include "gdkdisplay-wayland.h"
27#include "gdksurface-wayland.h"
28
29#include "gdkwaylanddisplay.h"
30#include "gdkwaylandglcontext.h"
31#include "gdkwaylandsurface.h"
32#include "gdkprivate-wayland.h"
33
34#include "gdk-private.h"
35#include "gdksurfaceprivate.h"
36#include "gdkprofilerprivate.h"
37
38#include "gdkintl.h"
39
40/**
41 * GdkWaylandGLContext:
42 *
43 * The Wayland implementation of `GdkGLContext`.
44 */
45
46G_DEFINE_TYPE (GdkWaylandGLContext, gdk_wayland_gl_context, GDK_TYPE_GL_CONTEXT)
47
48static void
49gdk_wayland_gl_context_begin_frame (GdkDrawContext *draw_context,
50 gboolean prefers_high_depth,
51 cairo_region_t *region)
52{
53 gdk_wayland_surface_ensure_wl_egl_window (gdk_draw_context_get_surface (draw_context));
54
55 GDK_DRAW_CONTEXT_CLASS (gdk_wayland_gl_context_parent_class)->begin_frame (draw_context, prefers_high_depth, region);
56}
57
58static void
59gdk_wayland_gl_context_end_frame (GdkDrawContext *draw_context,
60 cairo_region_t *painted)
61{
62 GdkSurface *surface = gdk_draw_context_get_surface (draw_context);
63
64 gdk_wayland_surface_sync (surface);
65 gdk_wayland_surface_request_frame (surface);
66
67 GDK_DRAW_CONTEXT_CLASS (gdk_wayland_gl_context_parent_class)->end_frame (draw_context, painted);
68
69 gdk_wayland_surface_notify_committed (surface);
70}
71
72static void
73gdk_wayland_gl_context_class_init (GdkWaylandGLContextClass *klass)
74{
75 GdkDrawContextClass *draw_context_class = GDK_DRAW_CONTEXT_CLASS (klass);
76 GdkGLContextClass *context_class = GDK_GL_CONTEXT_CLASS (klass);
77
78 draw_context_class->begin_frame = gdk_wayland_gl_context_begin_frame;
79 draw_context_class->end_frame = gdk_wayland_gl_context_end_frame;
80
81 context_class->backend_type = GDK_GL_EGL;
82}
83
84static void
85gdk_wayland_gl_context_init (GdkWaylandGLContext *self)
86{
87}
88
89/**
90 * gdk_wayland_display_get_egl_display:
91 * @display: (type GdkWaylandDisplay): a Wayland display
92 *
93 * Retrieves the EGL display connection object for the given GDK display.
94 *
95 * Returns: (nullable): the EGL display
96 *
97 * Since: 4.4
98 */
99gpointer
100gdk_wayland_display_get_egl_display (GdkDisplay *display)
101{
102 g_return_val_if_fail (GDK_IS_WAYLAND_DISPLAY (display), NULL);
103
104 return gdk_display_get_egl_display (display);
105}
106
107GdkGLContext *
108gdk_wayland_display_init_gl (GdkDisplay *display,
109 GError **error)
110{
111 GdkWaylandDisplay *self = GDK_WAYLAND_DISPLAY (display);
112
113 if (!gdk_display_init_egl (display,
114 EGL_PLATFORM_WAYLAND_EXT,
115 self->wl_display,
116 TRUE,
117 error))
118 return NULL;
119
120 return g_object_new (GDK_TYPE_WAYLAND_GL_CONTEXT,
121 "display", display,
122 NULL);
123}
124
125

source code of gtk/gdk/wayland/gdkglcontext-wayland.c